
.big{

    width: 400px;
    height: 400px;
    margin: 0 auto;
    border-radius: 20px;
    background-color:whitesmoke;
    border: snow solid 1px;
    opacity: 0.8;

}
.fonts{
    padding-top: 10px;
    text-align: center;
    font-size: 38px;
    font-family: "华文中宋";
}

.inner{
    margin-top: 45px;
    padding-left: 50px;
    padding-right: 50px;

}

.inner input{
    border-radius: 10px;
}
.inner .in{
    height: 80px;
}

.bt{
    font-size: 15px;
    font-family: 华文细黑;
}
a{

    text-decoration: none;
    color: rosybrown;
    font-size: 17px;
}
a:hover{
    color: red;
    text-decoration: none;
}
